Summative Test no. 3 -Probability(Introduction)

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- Q1
It is a set of possible outcomes resulting from a particular experiment.

Probability

Event

Combination

Permutation

30sM10SP-IIIf-1 - Q2
Which of the events is an example of intersection of events?

Picking 5 or a number divisible by 3

Selecting red marble or a blue marble.

Obtaining 2 from rolling a die

Choosing an even number and a number divisible by 4

30s - Q3
If A is a set of prime numbers less than 10, B is set of even numbers less than 8, and C is a set of factors of 12 , what is (π΄ βͺ π΅) β© πΆ ?

{ 2, 4, 6 }

{ 1, 2, 3, 4, 6, 12 }

{ 2, 3, 4, 6 }

{ 1, 2, 3, 5, 7 }

30s - Q4
Which of the following illustration represents the union of events?

30sM10SP-IIIf-1 - Q5
What statement does the shaded region represents?

(A U B')

Β $\backslash left(A\backslash cap\; B\backslash right)$

(A U B)

(A U B)'

30s - Q6
If A = { 3, 6, 9, 12 , 15 } and B = { 1, 3 , 5, 7, 9, 11, 13, 15 } , what is (π΄ βͺ π΅)?

{ 3, 9 , 15 }

. { 3, 6, 9, 12 , 15 }

{ 1, 3, 5, 6, 7, 9, 11, 12 , 13 , 15 }

{ 1, 3 , 5, 7, 9, 11, 13, 15 }

30s - Q7
If X is a set of factors of 5, Y is a set of prime numbers less than 10 and is Z the set of even numbers less than 9, then what is (π βͺ π) β© π ?

{ 2, 5 }

{ 2, 4, 6, 8 }

. { 1, 5 }

{ 2, 3, 5, 7, 11, 13 }

30s - Q8
In a school cafeteria, 200students were randomly selected and asked about their favorite drinks.

How many likes chocolate and fruit juice?

33

70

103

177

30s - Q9
What percentage ofthe participants has three drinks as favorites?Β

42.5%

51.5%

35.0%

46%

30s - Q10
How many likesgulaman and fruit juice but does not like chocolate drink?Β

70

92

49

22

30sM10SP-IIIf-1